221456590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1\times {\mathrm{1193}}^1$

素因数の和:2196

約数の個数: 32

約数和(自身を含む): 420383520

約数和(自身を除く): 198926930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 977, 1193, 1954, 2386, 4885, 5965, 9770, 11930, 18563, 22667, 37126, 45334, 92815, 113335, 185630, 226670, 1165561, 2331122, 5827805, 11655610, 22145659, 44291318, 110728295, 221456590]

約数ペア:

[(1, 221456590), (2, 110728295), (5, 44291318), (10, 22145659), (19, 11655610), (38, 5827805), (95, 2331122), (190, 1165561), (977, 226670), (1193, 185630), (1954, 113335), (2386, 92815), (4885, 45334), (5965, 37126), (9770, 22667), (11930, 18563)]